Act as a seasoned [startup growth hacker] with [5+ years of experience in B2B outreach]. Craft a high-converting cold email template for [SaaS founders] targeting [enterprise clients] in the [healthtech industry]. Include: 1. A personalized hook referencing [recent industry trends or pain points] 2. Clear value proposition highlighting [your unique differentiator] 3. Social proof element using [case studies or client logos] 4. Single, specific CTA for [demo scheduling/whitepaper download] Format requirements: - Subject line under 50 characters - Email body under 150 words - Mobile-responsive structure - Follow-up sequence timing recommendations